538718902 has 4 divisors (see below), whose sum is σ = 808078356. Its totient is φ = 269359450.

The previous prime is 538718893. The next prime is 538718909. The reversal of 538718902 is 209817835.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (538718909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 134679724 + ... + 134679727.

It is an arithmetic number, because the mean of its divisors is an integer number (202019589).

Almost surely, 2^538718902 is an apocalyptic number.

538718902 is a deficient number, since it is larger than the sum of its proper divisors (269359454).

538718902 is a wasteful number, since it uses less digits than its factorization.

538718902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 269359453.

The product of its (nonzero) digits is 120960, while the sum is 43.

The square root of 538718902 is about 23210.3188689858. The cubic root of 538718902 is about 813.6808056137.

The spelling of 538718902 in words is "five hundred thirty-eight million, seven hundred eighteen thousand, nine hundred two".